US Patent Issued to Dow Global Technologies, ROHM AND HAAS on March 17 for "Multistage polymer" (Pennsylvania, Michigan Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,338, issued on March 17, was assigned to Dow Global Technologies LLC (Midland, Mich.) and ROHM AND HAAS COMPANY (Collegeville, Pa.).

"Multistage polymer" was invented by Tian Lan (Langhorne, Pa.), Fanwen Zeng (Audubon, Pa.), Xiaodong Lu (North Wales, Pa.), Inna Shulman (Langhorne, Pa.), Tanvi S. Ratani (Pittsburgh), Jason Fisk (Midland, Mich.) and Tzu-Chi Kuo (Midland, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multistage polymer is provided, having: acrylate rich stage comprising: (a) structural units of monomer selected from C1-22 alkyl (meth)acrylates and structural units of first carbosiloxane monomer of formula (I); and (b) carbosi...